From d55a5995e46298a6685cd506f97d31bd7236824f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20Rivi=C3=A8re?= <fil@rezo.net>
Date: Wed, 23 Dec 2020 16:22:02 +0100
Subject: [PATCH] never round scales that would result in 0 bandwidth fixes #72

---
 src/scales.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/scales.js b/src/scales.js
index ef76725ab7..ac96c7a54e 100644
--- a/src/scales.js
+++ b/src/scales.js
@@ -20,6 +20,9 @@ export function autoScaleRange(scales, dimensions) {
     const {inset = 0} = scales.x;
     const {width, marginLeft, marginRight} = dimensions;
     scales.x.scale.range([marginLeft + inset, width - marginRight - inset]);
+    if (scales.x.scale.bandwidth && scales.x.scale.bandwidth() === 0) {
+      scales.x.scale.round(false);
+    }
   }
   if (scales.y && scales.y.range === undefined) {
     const {inset = 0} = scales.y;
@@ -27,6 +30,9 @@ export function autoScaleRange(scales, dimensions) {
     const range = [height - marginBottom - inset, marginTop + inset];
     if (scales.y.type === "ordinal") range.reverse();
     scales.y.scale.range(range);
+    if (scales.y.scale.bandwidth && scales.y.scale.bandwidth() === 0) {
+      scales.y.scale.round(false);
+    }
   }
 }